Daimler is paying to bring Carpooling.com, a popular European service that connects people with cars to people who needs rides, to America. It’s going to get even easier to get where you’re going without your own wheels.

Get ready for the newest way to grab some wheels when you need them. The service, launching in November in San Diego, is gunning for Zipcar by making it easier to pay for and drop off your borrowed car.

Smart cars are just taking off in the U.S., and they've been hugely popular in Europe. But the tiny eco-friendly two-seat city car format isn't entirely compatible with U.S. mores, and so Penske Automobile has contracted Nissan to build a four-seat upgrade.

Sign number one that automakers are serious about making the transition to hybrid and electric vehicles: They're teaming up to share technology. Daimler and the Renault-Nissan Alliance are expected to announce a global partnership tomorrow that will allow the companies to share technology and development costs for small cars, hybrids, and EVs. So why are they sharing such precious information?